2690 3
2689 0
2689 1
2688 1
2688 2
2688 0
2687 0
2687 2
2686 1
2686 2
2686 0
2685 1
2685 2
2684 3
2684 0
2683 1
2683 0
2682 0
2682 1
2682 9